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Problem
Unrealistic
information on
the LC display.
Button ENTER/
DOWN does
not response
although
pressed.
LC display
is off.
No LED alarm.
19. MAINTENANCE AND CLEANING
• Besides occasional cleaning, the device is maintenance-free.
• Before cleaning, disconnect the device from the computer.
• Never submerge the product in water.
• Do not use any aggressive cleaning agents, rubbing alcohol or other
chemical solutions. Use a dry, soft and clean antistatic cloth to clean the
product exterior.
All manuals and user guides at all-guides.com
Possible solution
Reset the data logger to firmware (please refer to
"17. Reset to default firmware" on page 92).
Check whether the LC display is disabled during
configuration (please refer to "Other settings" on
page 77).
Replace the battery.
Check whether the LED alarm is disabled in the
configuration file (please refer to "Other settings" on
page 77).
Check whether the alarm has been paused (please
refer to "e) Activate/deactivate limit alarm pause
function" on page 88).
93
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